Home / 26,289.04-36,279.32-15,684.88

Finding the Fourth Proportional to 26,289.04, 36,279.32 and 15,684.88

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Solution

The fourth proportional to 26,289.04, 36,279.32 and 15,684.88 is: 21,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,289.04 : 36,279.32 = 15,684.88 : x
  2. Step 2: Convert to fraction form
    26,289.04/36,279.32 = 15,684.88/x
  3. Step 3: Cross multiply
    26,289.04x = 36,279.32 × 15,684.88
  4. Step 4: Simplify right side
    26,289.04x = 569,036,780.68
  5. Step 5: Solve for x
    x = 569,036,780.68/26,289.04
  6. Step 6: Final answer
    x = 21,645.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.